Improvement in sole-edge-burnishing tools



C. S. FIFI ELD.

SOLE EDGE BURNISHING TOOL.

' Patented May 23,1876.

UNI E STATES. PATENT OFFIeE. j

CHARLES s, FIFIELD, 0F BOSTON, MASSACHUSETTS.

IMPROVEMENT IN SOLE-EDGE-BUR-NISHING TOOLS.

Specification forming part of Letters Patent No. 177,629, dated May 215, 1876; application filed Apri1'24, 1876.

7 To all u-hom it may concern:-

Be it known that'I, CHARLES S. FIFIELD, of, Boston, in the county of Sufi'olk and State of Massachusetts, have invented an Improved Tool for Rotary Edge-Burnishing Machines,

- of which the following is agfull, clear, concise,

and exact description, reference being had to the accompanying drawings, forming a part hereof.

In the drawings, Figure 1 is a plan, and Fig.2 is a longitudinal section, of one of my improved tools, especially adapted for use in 'the burnishing-machine now known as the Dodge Edge-Setting Machine.

This tool consists of a conical tang, a, by

which it is held in its revolving tool-stock, which has a corresponding conical bore, a barnishing-tool, b b, for the toes and'sides of the fore part, and a second bnrnishingtool, c, for the shanks. 1

These three parts may all be made in one piece, if desired, especially if not scored across,

as shown in Fig.1; but, asthis scoring is dev 'sirable,Iprefer to make the tang a and the The improved tool above described, consist 'ing of the parts a b b 0, arranged together, as

setforthf (J. S. FIFIELD. Witnesses:

J. E. KNOX, J. E. MAYNADIER. 

